Golang Manager.Unlock方法代碼示例

func unlockAccount(ctx *cli.Context, am *accounts.Manager, addr string, i int, inputpassphrases []string) (addrHex, auth string, passphrases []string) {
	utils.CheckLegalese(ctx.GlobalString(utils.DataDirFlag.Name))

	var err error
	passphrases = inputpassphrases
	addrHex, err = utils.ParamToAddress(addr, am)
	if err == nil {
		// Attempt to unlock the account 3 times
		attempts := 3
		for tries := 0; tries < attempts; tries++ {
			msg := fmt.Sprintf("Unlocking account %s | Attempt %d/%d", addr, tries+1, attempts)
			auth, passphrases = getPassPhrase(ctx, msg, false, i, passphrases)
			err = am.Unlock(common.HexToAddress(addrHex), auth)
			if err == nil || passphrases != nil {
				break
			}
		}
	}

	if err != nil {
		utils.Fatalf("Unlock account '%s' (%v) failed: %v", addr, addrHex, err)
	}
	fmt.Printf("Account '%s' (%v) unlocked.\n", addr, addrHex)
	return
}

func ambiguousAddrRecovery(am *accounts.Manager, err *accounts.AmbiguousAddrError, auth string) accounts.Account {
	fmt.Printf("Multiple key files exist for address %x:\n", err.Addr)
	for _, a := range err.Matches {
		fmt.Println("  ", a.File)
	}
	fmt.Println("Testing your passphrase against all of them...")
	var match *accounts.Account
	for _, a := range err.Matches {
		if err := am.Unlock(a, auth); err == nil {
			match = &a
			break
		}
	}
	if match == nil {
		utils.Fatalf("None of the listed files could be unlocked.")
	}
	fmt.Printf("Your passphrase unlocked %s\n", match.File)
	fmt.Println("In order to avoid this warning, you need to remove the following duplicate key files:")
	for _, a := range err.Matches {
		if a != *match {
			fmt.Println("  ", a.File)
		}
	}
	return *match
}

// tries unlocking the specified account a few times.
func unlockAccount(ctx *cli.Context, accman *accounts.Manager, address string, i int, passwords []string) (accounts.Account, string) {
	account, err := utils.MakeAddress(accman, address)
	if err != nil {
		utils.Fatalf("Could not list accounts: %v", err)
	}
	for trials := 0; trials < 3; trials++ {
		prompt := fmt.Sprintf("Unlocking account %s | Attempt %d/%d", address, trials+1, 3)
		password := getPassPhrase(prompt, false, i, passwords)
		err = accman.Unlock(account, password)
		if err == nil {
			glog.V(logger.Info).Infof("Unlocked account %x", account.Address)
			return account, password
		}
		if err, ok := err.(*accounts.AmbiguousAddrError); ok {
			glog.V(logger.Info).Infof("Unlocked account %x", account.Address)
			return ambiguousAddrRecovery(accman, err, password), password
		}
		if err != accounts.ErrDecrypt {
			// No need to prompt again if the error is not decryption-related.
			break
		}
	}
	// All trials expended to unlock account, bail out
	utils.Fatalf("Failed to unlock account %s (%v)", address, err)
	return accounts.Account{}, ""
}

func unlockAccount(ctx *cli.Context, am *accounts.Manager, account string) (passphrase string) {
	var err error
	// Load startup keys. XXX we are going to need a different format
	// Attempt to unlock the account
	passphrase = getPassPhrase(ctx, "")
	accbytes := common.FromHex(account)
	if len(accbytes) == 0 {
		utils.Fatalf("Invalid account address '%s'", account)
	}
	err = am.Unlock(accbytes, passphrase)
	if err != nil {
		utils.Fatalf("Unlock account failed '%v'", err)
	}
	return
}

func unlockAccount(ctx *cli.Context, am *accounts.Manager, addr string, i int) (addrHex, auth string) {
	var err error
	addrHex, err = utils.ParamToAddress(addr, am)
	if err == nil {
		// Attempt to unlock the account 3 times
		attempts := 3
		for tries := 0; tries < attempts; tries++ {
			msg := fmt.Sprintf("Unlocking account %s | Attempt %d/%d", addr, tries+1, attempts)
			auth = getPassPhrase(ctx, msg, false, i)
			err = am.Unlock(common.HexToAddress(addrHex), auth)
			if err == nil {
				break
			}
		}
	}

	if err != nil {
		utils.Fatalf("Unlock account failed '%v'", err)
	}
	fmt.Printf("Account '%s' unlocked.\n", addr)
	return
}

func unlockAccount(ctx *cli.Context, am *accounts.Manager, account string) (passphrase string) {
	var err error
	// Load startup keys. XXX we are going to need a different format

	if !((len(account) == 40) || (len(account) == 42)) { // with or without 0x
		utils.Fatalf("Invalid account address '%s'", account)
	}
	// Attempt to unlock the account 3 times
	attempts := 3
	for tries := 0; tries < attempts; tries++ {
		msg := fmt.Sprintf("Unlocking account %s | Attempt %d/%d", account, tries+1, attempts)
		passphrase = getPassPhrase(ctx, msg, false)
		err = am.Unlock(common.HexToAddress(account), passphrase)
		if err == nil {
			break
		}
	}
	if err != nil {
		utils.Fatalf("Unlock account failed '%v'", err)
	}
	fmt.Printf("Account '%s' unlocked.\n", account)
	return
}